List sync points to wait on in AsyncFlush message

ppapi/proxy/ppb_graphics_3d_proxy.cc

Index: ppapi/proxy/ppb_graphics_3d_proxy.cc
diff --git a/ppapi/proxy/ppb_graphics_3d_proxy.cc b/ppapi/proxy/ppb_graphics_3d_proxy.cc
index 7cd2b88bcdb27155f68e2921bd21f7a9b4a5bf68..cb9e9af53c02d2894b19644f36e603e379f10ce8 100644
--- a/ppapi/proxy/ppb_graphics_3d_proxy.cc
+++ b/ppapi/proxy/ppb_graphics_3d_proxy.cc
@@ -72,7 +72,8 @@ PP_Bool Graphics3D::SetGetBuffer(int32_t /* transfer_buffer_id */) {
   return PP_FALSE;
 }
 
-PP_Bool Graphics3D::Flush(int32_t put_offset) {
+PP_Bool Graphics3D::Flush(int32_t put_offset,
+                          const std::vector<uint32>& sync_points) {
   return PP_FALSE;
 }
 
@@ -291,11 +292,13 @@ void PPB_Graphics3D_Proxy::OnMsgWaitForGetOffsetInRange(
   *success = true;
 }
 
-void PPB_Graphics3D_Proxy::OnMsgAsyncFlush(const HostResource& context,
-                                           int32 put_offset) {
+void PPB_Graphics3D_Proxy::OnMsgAsyncFlush(
+    const HostResource& context,
+    int32 put_offset,
+    const std::vector<uint32>& sync_points) {
   EnterHostFromHostResource<PPB_Graphics3D_API> enter(context);
   if (enter.succeeded())
-    enter.object()->Flush(put_offset);
+    enter.object()->Flush(put_offset, sync_points);
 }
 
 void PPB_Graphics3D_Proxy::OnMsgCreateTransferBuffer(